CVE-2020-0105 Missing authorization in Android

High 7.8 Published Updated

Local attackers can bypass keyguard restrictions to use protected keys while the screen is locked, enabling privilege escalation.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-0105?

CVE-2020-0105 is a high-severity missing authorization vulnerability in Google Android, published on 14 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In onKeyguardVisibilityChanged of key_store_service.cpp, there is a missing permission check. This could lead to local escalation of privilege, allowing apps to use keyguard-bound keys when the screen is locked, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10Android ID: A-144285084

Weakness: CWE-862

Which versions are affected by CVE-2020-0105?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2020-0105?

No fix has been published for CVE-2020-0105 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-0105 being exploited?

There is no known exploitation of CVE-2020-0105 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-7f25-77mc-425h.

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